The U.S. U-18 boys national team opens a four-game tour of Uruguay and Paraguay against Uruguay on Thursday in Montevideo. U.S. coach Dave Sarachan named 18 players for the trip, including three players named to the 2008 U-15/16 Development Academy all-conference teams: Paul Islas (Cal Odyssey), Latif Alashe (Vardar) and Harrison Petts (champion Carmel United).